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Orthopedic Surgery

Christopher M. Hoshino, MD

Works at hospitals in Long Beach, CA · Santa Ana, CA · Mission Viejo, CA · California

Summary

Dr. Christopher M. Hoshino, MD is an orthopedic surgeon at 23521 Paseo De Valencia, Suite 309, Laguna Hills, CA 92653. Phone: (949) 229-3500. Accepts Medicare assignment. In 2024, Christopher M. Hoshino had 78 Original Medicare patients and 169 services. NPI 1881881431. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher M. Hoshino, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Christopher M. Hoshino accept Medicare assignment?
Yes. Medicare's clinician data says Christopher M. Hoshino accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Christopher M. Hoshino see?
In 2024, CMS data shows 78 Original Medicare patients and 169 services for Christopher M. Hoshino. This counts Original Medicare only and measures volume, not quality.
What is Christopher M. Hoshino's NPI number?
1881881431. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Christopher M. Hoshino, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients78
Services billed to Medicare169
Different services or procedures62
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Treatment of broken neck of thigh bone with bone implant (27245)17 services
  2. Critical care, first 30-74 minutes (99291)17 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis60%
  • Diabetes45%
  • Chronic kidney disease44%
  • Depression40%

Hospitals where Christopher M. Hoshino works

Medicare's Facility Affiliation Data lists Christopher M. Hoshino at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Christopher M. Hoshino is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christopher M. Hoshino as a member of this group (CMS data updated October 2, 2026).

  • Bci Orthopaedics17 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Laguna Hills

Clinicians with the same Medicare primary specialty in Laguna Hills, CA — not a recommendation.

All orthopedic surgeons in Laguna Hills →

Other clinicians in Bci Orthopaedics

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881881431
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians